Usage of the character 寡

few
scant
widowed

zhòngguǎ

众寡

[衆寡]

the many or the few

gūguǎ

孤寡

[孤寡]

orphans and widows
to be lonely
loneliness

guǎlòu

寡陋

[寡陋]

having little knowledge
not well-read

guǎjū

寡居

[寡居]

to live as a widow

shǒuguǎ

守寡

[守寡]

to live as widow
to observe widowhood

guǎzhù

寡助

[寡助]

(esp. of an unjust cause) to receive little support

guǎyán

寡言

[寡言]

taciturn
reticent

duōguǎ

多寡

[多寡]

number; amount

guǎdàn

寡淡

[寡淡]

insipid
bland
indifferent

guǎfu

寡妇

[寡婦]

widow

guǎtóu

寡头

[寡頭]

oligarch

guǎqíng

寡情

[寡情]

heartless
unfeeling

guǎrén

寡人

[寡人]

I (first person pronoun used by royalty or nobility)

guǎtáng

寡糖

[寡糖]

oligosaccharide

shǒuhuóguǎ

守活寡

[守活寡]

to stay at home while one's husband is away
grass widow

qǔgāohèguǎ

曲高和寡

[曲高和寡]

difficult songs find few singers (idiom)
highbrow

luòluòguǎhé

落落寡合

[落落寡合]

aloof
standoffish
unsociable

guānguǎgūdú

鳏寡孤独

[鰥寡孤獨]

lit. widowers, widows, orphans and the childless
fig. people with no one left to rely on

mùnèguǎyán

木讷寡言

[木訥寡言]

honest and unaffected but not talkative (idiom)

dízhòngwǒguǎ

敌众我寡

[敵眾我寡]

multitude of enemies, few friends (idiom from Mencius)
heavily outnumbered
beaten by the weight of numbers

gūlòuguǎwén

孤陋寡闻

[孤陋寡聞]

ignorant and inexperienced
ill-informed and narrow-minded

guǎbùdízhòng

寡不敌众

[寡不敵眾]

the few are no match for the many
heavily outnumbered
facing impossible odds (idiom)

zhòngguǎxuánshū

众寡悬殊

[眾寡懸殊]

(idiom) a great disparity in numerical strength

kèbóguǎ'ēn

刻薄寡恩

[刻薄寡恩]

harsh and merciless (idiom)

gūjiāguǎrén

孤家寡人

[孤家寡人]

one who is cut off from others (idiom)
one who has chosen to follow a solitary path
(can also be an indirect way of referring to an unmarried person)

gūnánguǎnü

孤男寡女

[孤男寡女]

a single man and a single woman
bachelors
a man and a woman together (typically in a secluded setting)

chénmòguǎyán

沉默寡言

[沉默寡言]

habitually silent (idiom)
reticent
uncommunicative

dànbóguǎwèi

淡泊寡味

[淡泊寡味]

insipid and tasteless (idiom)

chénjìngguǎyán

沉静寡言

[沉靜寡言]

see 沉默寡言 (chénmòguǎyán)

shīdàoguǎzhù

失道寡助

[失道寡助]

an unjust cause finds little support (idiom, from Mencius)
cf 得道多助 (dédàoduōzhù) a just cause attracts much support

guǎ'èrshǎoshuāng

寡二少双

[寡二少雙]

peerless
second to none (idiom)

guǎtóulǒngduàn

寡头垄断

[寡頭壟斷]

oligopoly

hóngguǎfuniǎo

红寡妇鸟

[紅寡婦鳥]

(ornithology) red bishop (Euplectes orix)

qīngtāngguǎshuǐ

清汤寡水

[清湯寡水]

meager fare
(fig.) insipid
colorless

suǒránguǎwèi

索然寡味

[索然寡味]

dull and insipid

luòluòguǎhuān

落落寡欢

[落落寡歡]

melancholy
unhappy

yōuróuguǎduàn

优柔寡断

[優柔寡斷]

indecisive
irresolute

póuduōyìguǎ

裒多益寡

[裒多益寡]

to take from the rich and give to the poor (idiom)

qīngxīnguǎyù

清心寡欲

[清心寡慾]

(idiom) uninterested in self-indulgence
abstemious
ascetic

luòluòguǎjiāo

落落寡交

[落落寡交]

aloof and as a result friendless (idiom)

guǎtóuzhèngzhì

寡头政治

[寡頭政治]

oligarchy

yùyùguǎhuān

郁郁寡欢

[鬱鬱寡歡]

(idiom) depressed; cheerless

bùhuànguǎ'érhuànbùjūn

不患寡而患不均

[不患寡而患不均]

do not worry about scarcity, but rather about uneven distribution (idiom, from Analects)

dédàoduōzhù,shīdàoguǎzhù

得道多助，失道寡助

[得道多助，失道寡助]

A just cause attracts much support, an unjust one finds little (idiom, from Mencius)